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A nurse is caring for a client who is receiving IV furosemide. Which assessment finding requires immediate intervention?
✦ Clinical Explanation
Furosemide causes hypokalemia. A potassium of 2.8 mEq/L with ECG changes (U waves, prolonged QT, flattened T waves) indicates severe, dangerous hypokalemia requiring immediate intervention to prevent life-threatening arrhythmias.
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